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<html lang="en">
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    <meta charset="UTF-8">
    <title>Title</title>
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<body>

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</html>
<script type="text/javascript" src="LongitudeAndLatitude.js"></script>
<script type="text/javascript">
    var _ = new LongitudeAndLatitude({longitude: 113.04886311292648, latitude: 22.5850857881086});
    console.log(_.computerThatLonLat(90));
    console.log(_.computerThatLonLat(180));
    console.log(_.computerThatLonLat(270));
    console.log( _.computerThatLonLat(360));
</script>